import java.util.Scanner;
public class Example3_4{
	public static void main(String args[]) {
		int number;
		System.out.println("输入正整数(回车确定)");
		Scanner reader=new Scanner(System.in);
		number = reader.nextInt();
		switch(number) {
			case 9:
			case 131:
			case 12: System.out.println(number+"是三等奖");
				 break;
		        case 209:
			case 596:
			case 27: System.out.println(number+"是二等奖");
				 break;
			case 875:
			case 316:
			case 59: System.out.println(number+"是一等奖");
				 break;
			default: System.out.println(number+"未中奖");
		}
	}
}
